[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 64.127868][ T28] audit: type=1800 audit(1578456212.836:25): pid=8645 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 64.147144][ T28] audit: type=1800 audit(1578456212.836:26): pid=8645 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 64.179905][ T28] audit: type=1800 audit(1578456212.836:27): pid=8645 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.253' (ECDSA) to the list of known hosts. 2020/01/08 04:03:43 fuzzer started 2020/01/08 04:03:45 dialing manager at 10.128.0.26:35703 2020/01/08 04:03:45 syscalls: 2824 2020/01/08 04:03:45 code coverage: enabled 2020/01/08 04:03:45 comparison tracing: enabled 2020/01/08 04:03:45 extra coverage: enabled 2020/01/08 04:03:45 setuid sandbox: enabled 2020/01/08 04:03:45 namespace sandbox: enabled 2020/01/08 04:03:45 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:03:45 fault injection: enabled 2020/01/08 04:03:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:03:45 net packet injection: enabled 2020/01/08 04:03:45 net device setup: enabled 2020/01/08 04:03:45 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:03:45 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:03:46 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x8000000004) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) writev(r0, &(0x7f0000000200)=[{&(0x7f0000000240)="7d0000001300192340834b80040d8c560a0676ffffff81004e220000000058000b4824ca944f640094750a0e2900050028925aa8000000000000008000f0fffeffff09000000fff5dd00000010000100000c0900fcff0000", 0x1e7}], 0x1) 04:03:46 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0xb, &(0x7f0000000040)=0xffffffffffffffff, 0x4) setsockopt$sock_int(r0, 0x1, 0x4000000000000002, &(0x7f00000002c0)=0x3ff, 0x3ff) bind$inet6(r0, &(0x7f0000f65000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) sendto$inet6(r0, 0x0, 0x0, 0xfffffefffffffffe, &(0x7f000006ffe4)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) getsockopt$inet6_buf(r0, 0x29, 0x6, 0x0, &(0x7f0000000000)) syzkaller login: [ 78.015940][ T8811] IPVS: ftp: loaded support on port[0] = 21 [ 78.172676][ T8813] IPVS: ftp: loaded support on port[0] = 21 [ 78.220666][ T8811] chnl_net:caif_netlink_parms(): no params data found 04:03:47 executing program 2: getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f00000001c0), 0x0) add_key$keyring(&(0x7f0000000980)='keyring\x00', 0x0, 0x0, 0x0, 0x0) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x66, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, @in={{0x2, 0x0, @multicast2}}}}, 0x0) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mkdir(&(0x7f00000009c0)='./file1\x00', 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setxattr$system_posix_acl(&(0x7f0000000580)='./file1\x00', &(0x7f00000005c0)='system.posix_acl_default\x00', &(0x7f0000000c40)={{}, {}, [{}, {}], {}, [{}, {}, {}, {}, {0x8, 0x1}]}, 0x5c, 0x0) mount$overlay(0x40000f, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}], [], 0xf603000000000000}) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000240)='cgroup2\x00', 0x0, 0x0) membarrier(0x4, 0x0) [ 78.335223][ T8811] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.357098][ T8811] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.376401][ T8811] device bridge_slave_0 entered promiscuous mode [ 78.412339][ T8811] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.419715][ T8811] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.436649][ T8811] device bridge_slave_1 entered promiscuous mode [ 78.460299][ T8817] IPVS: ftp: loaded support on port[0] = 21 [ 78.467638][ T8813] chnl_net:caif_netlink_parms(): no params data found [ 78.517413][ T8811] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.557659][ T8811] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.595463][ T8813] bridge0: port 1(bridge_slave_0) entered blocking state 04:03:47 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @ipv4={[], [], @empty}}, 0x1c) connect$inet6(r0, &(0x7f0000000200)={0xa, 0x4e21, 0x0, @loopback}, 0x1c) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = dup3(r2, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000240)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x0, 0x0, 0x1000000, 0x0, 0x8000000055}, 0x98) [ 78.604739][ T8813] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.613069][ T8813] device bridge_slave_0 entered promiscuous mode [ 78.646618][ T8811] team0: Port device team_slave_0 added [ 78.652631][ T8813] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.660306][ T8813] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.669517][ T8813] device bridge_slave_1 entered promiscuous mode [ 78.687870][ T8811] team0: Port device team_slave_1 added [ 78.763607][ T8813] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 04:03:47 executing program 4: mmap(&(0x7f0000068000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000340)='tls\x00', 0x4) getsockopt$inet6_tcp_buf(r0, 0x6, 0x1f, 0x0, &(0x7f0000000040)) [ 78.828489][ T8811] device hsr_slave_0 entered promiscuous mode [ 78.866363][ T8811] device hsr_slave_1 entered promiscuous mode [ 78.972791][ T8813] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.005465][ T8820] IPVS: ftp: loaded support on port[0] = 21 [ 79.054469][ T8817] chnl_net:caif_netlink_parms(): no params data found [ 79.069579][ T8813] team0: Port device team_slave_0 added [ 79.097627][ T8813] team0: Port device team_slave_1 added 04:03:47 executing program 5: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000100)="0d00000000003639408fa3a3ba27660199783b0a82f79b32b4c8225001000a38e07d4db88a665967590ebc7be8b022da7fab2d44", 0x34}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ptrace$cont(0x1f, r0, 0x0, 0x0) [ 79.209133][ T8813] device hsr_slave_0 entered promiscuous mode [ 79.258702][ T8813] device hsr_slave_1 entered promiscuous mode [ 79.325875][ T8813] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.333616][ T8813] Cannot create hsr debugfs directory [ 79.359943][ T8817] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.367160][ T8817] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.374884][ T8817] device bridge_slave_0 entered promiscuous mode [ 79.403343][ T8824] IPVS: ftp: loaded support on port[0] = 21 [ 79.417484][ T8817] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.424558][ T8817] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.433841][ T8817] device bridge_slave_1 entered promiscuous mode [ 79.465261][ T8822] IPVS: ftp: loaded support on port[0] = 21 [ 79.482159][ T8817] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.492839][ T8811] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.540551][ T8811] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.619790][ T8811] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.699328][ T8817] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.729958][ T8811] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.796216][ T8817] team0: Port device team_slave_0 added [ 79.804751][ T8817] team0: Port device team_slave_1 added [ 79.867691][ T8820] chnl_net:caif_netlink_parms(): no params data found [ 79.912973][ T8813] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 80.007591][ T8817] device hsr_slave_0 entered promiscuous mode [ 80.057023][ T8817] device hsr_slave_1 entered promiscuous mode [ 80.095810][ T8817] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 80.103398][ T8817] Cannot create hsr debugfs directory [ 80.115607][ T8813] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 80.149353][ T8813] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 80.218453][ T8813] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 80.314617][ T8820] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.324020][ T8820] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.332112][ T8820] device bridge_slave_0 entered promiscuous mode [ 80.340993][ T8820] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.348455][ T8820] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.356585][ T8820] device bridge_slave_1 entered promiscuous mode [ 80.394220][ T8820] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.458847][ T8820] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.495310][ T8824] chnl_net:caif_netlink_parms(): no params data found [ 80.521716][ T8820] team0: Port device team_slave_0 added [ 80.532924][ T8820] team0: Port device team_slave_1 added [ 80.630660][ T8822] chnl_net:caif_netlink_parms(): no params data found [ 80.677738][ T8820] device hsr_slave_0 entered promiscuous mode [ 80.717064][ T8820] device hsr_slave_1 entered promiscuous mode [ 80.755876][ T8820] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 80.763557][ T8820] Cannot create hsr debugfs directory [ 80.791836][ T8813] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.808535][ T8817] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 80.841947][ T8817] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 80.889608][ T8824] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.896837][ T8824] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.904536][ T8824] device bridge_slave_0 entered promiscuous mode [ 80.933261][ T8817] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 80.978219][ T8817] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 81.023222][ T8811] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.030322][ T8824] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.038101][ T8824] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.046430][ T8824] device bridge_slave_1 entered promiscuous mode [ 81.092792][ T8824] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.103731][ T8822] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.112298][ T8822] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.120257][ T8822] device bridge_slave_0 entered promiscuous mode [ 81.130469][ T8822] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.138027][ T8822] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.146310][ T8822] device bridge_slave_1 entered promiscuous mode [ 81.169078][ T8824] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.194637][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.203405][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.211595][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.219712][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.231572][ T8811] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.246164][ T8822] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.258460][ T8813] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.267450][ T8822] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.281232][ T8824] team0: Port device team_slave_0 added [ 81.290002][ T8824] team0: Port device team_slave_1 added [ 81.315335][ T8822] team0: Port device team_slave_0 added [ 81.330723][ T8822] team0: Port device team_slave_1 added [ 81.339765][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.348981][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.357945][ T3122] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.365143][ T3122] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.374600][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.383501][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.392007][ T3122] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.399093][ T3122] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.434814][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.444051][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.452468][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.461346][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.470632][ T3122] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.477756][ T3122] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.486252][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.494997][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.503754][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.512271][ T3122] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.519402][ T3122] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.535843][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.545346][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.554964][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.563721][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.572822][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.581634][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.590755][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.658940][ T8824] device hsr_slave_0 entered promiscuous mode [ 81.706155][ T8824] device hsr_slave_1 entered promiscuous mode [ 81.756738][ T8824] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 81.764375][ T8824] Cannot create hsr debugfs directory [ 81.786671][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.794448][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.803292][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.812050][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.820936][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.829754][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.838220][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.846597][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.854901][ T8820] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 81.911545][ T8820] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 81.964927][ T8813] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.010168][ T8822] device hsr_slave_0 entered promiscuous mode [ 82.067047][ T8822] device hsr_slave_1 entered promiscuous mode [ 82.105897][ T8822] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 82.113563][ T8822] Cannot create hsr debugfs directory [ 82.119511][ T8820] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 82.168337][ T8820] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 82.212910][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.221729][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.235794][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.245018][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.264683][ T8817] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.300215][ T8811] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 82.312389][ T8811] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.344314][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.354760][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.374188][ T8813] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.402857][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.411463][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.420060][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.428918][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.437194][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.444875][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.456025][ T8811] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.487545][ T8817] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.520651][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.530777][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.574176][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.583069][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.583902][ T3137] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.583938][ T3137] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.584254][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.600078][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.630805][ T3137] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.638336][ T3137] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.664111][ T8822] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 82.697984][ T8822] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 82.757047][ T8813] device veth0_vlan entered promiscuous mode [ 82.769741][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.780283][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.789402][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.798589][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.808337][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.816614][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.826444][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.834155][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.851728][ T8822] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 82.877455][ T8824] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 82.917775][ T8824] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 82.960868][ T8824] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 83.017799][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.043379][ T8822] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 83.100077][ T8813] device veth1_vlan entered promiscuous mode [ 83.109893][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.118090][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.127517][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.136927][ T8824] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 83.175153][ T8811] device veth0_vlan entered promiscuous mode [ 83.194829][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.203455][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.211779][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 83.220144][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.229316][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.239237][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.248403][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.257076][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.267510][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.275210][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.292422][ T8817] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.305116][ T8817] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.327023][ T8820] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.334298][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.343585][ T2818] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.364918][ T8811] device veth1_vlan entered promiscuous mode [ 83.419078][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.431338][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.440646][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.454232][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.465407][ T8820] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.482043][ T8817] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.497588][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.505127][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.554397][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.580750][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.603394][ T3137] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.610585][ T3137] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.629688][ T8833] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 83.649346][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.658827][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 188.615668][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 188.622504][ C1] rcu: 1-...!: (10499 ticks this GP) idle=c02/1/0x4000000000000002 softirq=15957/15957 fqs=2 [ 188.633106][ C1] (t=10501 jiffies g=8141 q=58) [ 188.638038][ C1] rcu: rcu_preempt kthread starved for 10497 jiffies! g8141 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 188.649126][ C1] rcu: RCU grace-period kthread stack dump: [ 188.655002][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 188.662900][ C1] Call Trace: [ 188.666198][ C1] __schedule+0x9a0/0xcc0 [ 188.670526][ C1] schedule+0x181/0x210 [ 188.674676][ C1] schedule_timeout+0x14f/0x240 [ 188.679541][ C1] ? run_local_timers+0x120/0x120 [ 188.684559][ C1] rcu_gp_kthread+0xed8/0x1770 [ 188.689324][ C1] kthread+0x332/0x350 [ 188.693383][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 188.698487][ C1] ? kthread_blkcg+0xe0/0xe0 [ 188.703071][ C1] ret_from_fork+0x24/0x30 [ 188.707495][ C1] NMI backtrace for cpu 1 [ 188.711818][ C1] CPU: 1 PID: 8830 Comm: blkid Not tainted 5.5.0-rc5-syzkaller #0 [ 188.719605][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.729651][ C1] Call Trace: [ 188.732921][ C1] [ 188.735769][ C1] dump_stack+0x1fb/0x318 [ 188.740090][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 188.744931][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 188.751077][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 188.757136][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 188.763108][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 188.769011][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 188.774120][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 188.779311][ C1] ? trace_hardirqs_off+0x74/0x80 [ 188.784325][ C1] update_process_times+0x12d/0x180 [ 188.789519][ C1] tick_sched_timer+0x263/0x420 [ 188.794360][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 188.801892][ C1] __hrtimer_run_queues+0x403/0x840 [ 188.807102][ C1] hrtimer_interrupt+0x38c/0xda0 [ 188.812072][ C1] ? debug_smp_processor_id+0x9/0x20 [ 188.817349][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 188.822882][ C1] apic_timer_interrupt+0xf/0x20 [ 188.827806][ C1] [ 188.830740][ C1] RIP: 0010:mod_memcg_page_state+0x8/0x190 [ 188.836534][ C1] Code: eb 0c e8 eb 27 2e 00 eb 05 e8 e4 27 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 <41> 54 53 41 89 f6 48 89 fb e8 ba 27 2e 00 48 83 c3 38 48 89 d8 48 [ 188.856251][ C1] RSP: 0018:ffffc900029c79d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 188.864690][ C1] RAX: 1ffff1100d272791 RBX: ffff888069393c88 RCX: 0000000000000000 [ 188.872665][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001a4e680 [ 188.880649][ C1] RBP: ffffc900029c79e0 R08: 000000000003a728 R09: ffffed10119dd2b1 [ 188.888622][ C1] R10: ffffed10119dd2b1 R11: 0000000000000000 R12: ffff888069393d20 [ 188.896582][ C1] R13: dffffc0000000000 R14: 1ffff1100d2727a4 R15: ffff88808cee9578 [ 188.904587][ C1] free_thread_stack+0x168/0x590 [ 188.909521][ C1] put_task_stack+0xa3/0x130 [ 188.914102][ C1] finish_task_switch+0x3f1/0x550 [ 188.919125][ C1] __schedule+0x9a8/0xcc0 [ 188.923456][ C1] ? ___preempt_schedule+0x16/0x18 [ 188.928555][ C1] preempt_schedule+0xdb/0x120 [ 188.933313][ C1] ___preempt_schedule+0x16/0x18 [ 188.938247][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 188.943875][ C1] __wake_up_sync_key+0xe2/0x150 [ 188.948810][ C1] pipe_release+0x17b/0x330 [ 188.953301][ C1] ? fifo_open+0xcf0/0xcf0 [ 188.957724][ C1] __fput+0x2e4/0x740 [ 188.961705][ C1] ____fput+0x15/0x20 [ 188.965690][ C1] task_work_run+0x17e/0x1b0 [ 188.970277][ C1] do_exit+0x5f2/0x2000 [ 188.974426][ C1] ? check_preemption_disabled+0xb4/0x260 [ 188.980161][ C1] ? debug_smp_processor_id+0x1c/0x20 [ 188.985533][ C1] do_group_exit+0x15c/0x2b0 [ 188.990123][ C1] __do_sys_exit_group+0x17/0x20 [ 188.995048][ C1] __se_sys_exit_group+0x14/0x20 [ 188.999974][ C1] __x64_sys_exit_group+0x3b/0x40 [ 189.004988][ C1] do_syscall_64+0xf7/0x1c0 [ 189.009485][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.015487][ C1] RIP: 0033:0x7fe3860071e8 [ 189.019982][ C1] Code: Bad RIP value. [ 189.024060][ C1] RSP: 002b:00007ffe373e2168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 189.032504][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe3860071e8 [ 189.040487][ C1] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 189.048461][ C1] RBP: 00007fe3862dc840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 189.056433][ C1] R10: 00007fe3862e2740 R11: 0000000000000246 R12: 00007fe3862dc840 [ 189.064399][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000